package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.server.Session;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sengMsg(@RequestBody User user, HttpSession session) {
        //获取手机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            //随机生成四位密码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);
            //调用阿里云提供的短信验证服务API完成发送短信
            // SMSUtils.sendMessage();
            //需要生成的验证码保存到Session
            //session.setAttribute(phone,code);
            //将生成的验证码缓存到redis中，并且设置有效期为5分钟
            redisTemplate.opsForValue().set(phone, code, 5, TimeUnit.MINUTES);
            return R.success("验证码发送成功");
        }
        return R.error("发送失败");
    }

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //提取session中的验证码
        //Object code1 = session.getAttribute(phone);
        //从redis中获取缓存的验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);
        //进行验证码的对比
        if (codeInSession != null && code.equals(codeInSession)) {
            //如果能对比成功，说明登陆成功
            //判断当前手机号是否是新用户
            User user = userService.select(phone);
            if (user == null) {
                User user1 = new User();
                user1.setPhone(phone);
                userService.save(user1);
            }

            session.setAttribute("user", user.getId());
            //如果登陆成功，删除redis中缓存的验证码
            redisTemplate.delete(phone);
            return R.success(user);

        }
        return R.error("登录失败");
    }

    @PostMapping("/loginout")
    public R<String> loginout(HttpSession session){
        //判断是否为登录状态
        if(session.getAttribute("user")!=null){
            //退出登录
            session.removeAttribute("user");
        }
        return R.success("退出功成");
    }
}
